1. Open your phone, find and click to log in to the CCB APP. Friends who do not have the CCB APP on their phone can download it by themselves, as shown in the picture below;

2. Click on the upper left corner After the "three" mark, the page automatically slides to the right and clicks "Security Center", as shown in the figure below;

3. After the page jumps, click "Information Switch", as shown in the figure below;

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4. Find "Does My Account Show All Accounts?" and click to open it, as shown in the picture below;

5. Return to the homepage of the CCB app and click "Wealth", as shown in the picture below;

6. After entering the My Wealth Center, you can see the complete China Construction Bank card number.